JPH0688318A - Harbor structure and its construction method - Google Patents

Abstract

PURPOSE:To make it possible to make smaller the size of a main body of a harbor structure and manufacture it at low cost. CONSTITUTION:A large number of underwater ground piling members 2, each of which is provided with an annular member 1 in its intermediate part, are piled into an underwater ground 3, spaced at lateral intervals, and a plurality of vertical cylindrical bodies 4 laterally arranged at certain intervals are connected by a plurality of connecting members 5 to constitute a main body 6 of a habor structure. Each vertical cylindrical body 4 in the body 6 is fitted into the upper part of each of the underwater ground piling members 2 and at the same time the body 4 is mounted directly or indirectly to the annular member 1 and material which is cured with the passage of time is filled into a gap between the body 4 and the member 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water area structure used as a survey tower, a work platform, a pile type breakwater foundation, a bridge foundation or a quay foundation installed in a harbor, the ocean, etc., and a construction method thereof. is there.

[0002]

2. Description of the Related Art Conventionally, as a water area structure, it has been used as a utility model.
As disclosed in Japanese Patent No. 3153, a large number of stanchions are connected by connecting beams to form a steel structure body for water body with a jacket structure, and the body body for water body structure is placed on the seabed ground. There is known a structure in which a steel pipe pile is inserted into the pedestal and placed on the submarine ground.

[0003]

In the case of the above-mentioned conventional water body structure, the body of the water body structure is placed on the submarine ground.
When the water depth is deep, the height of the body of water structure becomes high, which increases the manufacturing cost of the body of water structure and makes the body of water structure large, resulting in poor transportability and handleability.

[0004]

In order to advantageously solve the above-mentioned problems, in the water structure and the method for constructing the same according to the present invention, a large number of water bottom ground driving members having an annular member 1 in the middle thereof are provided. 2 is placed on the water bottom ground 3 at intervals in the horizontal direction, and the plurality of vertical cylinders 4 arranged at intervals in the horizontal direction are connected by the plurality of connecting members 5 to form the water body structure main body 6. Each of the vertical cylinders 4 in the body of water structure 6 is fitted into the upper portion of the water bottom ground driving member 2 and is directly or indirectly placed on the annular member 1 to form the vertical cylinder. The time-curable material 7 is filled in the gap between the body 4 and the water bottom ground driving member 2.

[0005]

1 to 6 show a first embodiment of the present invention. First, as shown in FIGS. 1 and 2, in the height direction of a water bottom ground driving member 2 made of a steel pipe pile. An annular member 1 made of a steel plate is fitted in the middle portion and fixed by welding, and a large number of water bottom ground driving members 2 are arranged at regular intervals in the front-rear direction, and at the same time are also arranged at regular intervals in the left-right direction. The annular members 1 are placed in the water 10 at substantially the same level while being placed in such a state.

Next, as shown in FIG. 3, a steel cylindrical spacer 8 is placed on the annular member 1 of each subseabed driving member 2.
The upper end surface of each cylindrical spacer 8 is arranged at the same level.

Further, as shown in FIGS. 4 to 6 in advance, four steel vertical cylinders 4 having the same diameter as the cylindrical spacer 8 are arranged at the same intervals as the water bottom ground driving member 2, and The vertical cylinders 4 are connected by a plurality of steel connecting members 5 to form a steel water body structure body 6, and each of the vertical cylinders 4 in the water body structure body 6 has four water bottom ground driving members. 2 is mounted from above on the tubular spacer 8 and is then placed on the tubular spacer 8, and then the mortar, concrete or the like is aged in the gap between each vertical tubular body 4 and each tubular spacer 8 and each subseabed driving member 2. It is filled with the curable material 7.

FIGS. 7 and 8 show a second embodiment of the present invention, in which a lower flange 11 provided at the lower end of the vertical cylindrical body 4 and an upper portion provided at the upper end of the tubular spacer 8. A flange 12 is connected by a bolt 13, and an annular leakage prevention device 9 made of a rubber elastic sealing material is provided between a lower end flange 14 provided at a lower end portion of the cylindrical spacer 8 and an upper surface of the annular member 1. The supporting bracket 16 is interposed and fixed to the lower surface of the annular member 1 and the outer surface of the water bottom ground driving member 2 by welding, but other configurations are as follows.
This is similar to the case of the first embodiment.

FIGS. 9 to 11 show a third embodiment of the present invention, in which the annular bottom plate 17 of the steel annular member 1 comprising the annular bottom plate 17 and the peripheral wall plate 18 continuously provided on the outer periphery of the annular bottom plate 17. The support bracket 16 is fitted by welding to the water bottom ground driving member 2 and fixed by welding, and the supporting bracket 16 is fixed by welding across the lower surface of the annular bottom plate 17 and the outer surface of the water bottom ground driving member 2.

The suspension frame 19 is fixed to the upper outer surface of the vertical cylinder 4 of the body of water structure 6 by bolts or welding,
The suspension frame 19 is placed on the upper end surface of the water bottom ground driving member 2, a gap is provided between the lower end surface of the vertical cylinder 4 and the annular bottom plate 17, and the lower part of the vertical cylinder 4 and the water bottom ground. A gap is also provided between the driving member 2 and the peripheral wall plate 18, and in this state, as shown in FIG. 10, between the lower end of the vertical cylindrical body 4 and the water bottom ground driving member 2 and the annular member 1. Then, the time-curable material 20 such as mortar or concrete is filled to form the leakage prevention device 9.

Next, as shown in FIG. 11, the time-curable material 7 is filled between the vertical cylindrical body 4 and the water bottom ground driving member 2 at the upper portion of the time-curable material 20, but other constitutions are used. Is the same as in the first embodiment.

12 to 14 show a fourth embodiment of the present invention, in which a body of water structure 6 and four vertical cylinders 4 are arranged at intervals in the vertical direction. Vertical cylinder 4
And a horizontal plate-shaped connecting member 5 fixed to the vertical cylindrical body 4. A large number of dowels 21 are fixed to the vertical cylindrical body 4 at the inserting portion of the connecting member 5, and the submarine ground driving member in the connecting member 5 is fixed. A time-curable material 22 such as mortar or concrete between the through hole for inserting 2 and the water bottom ground driving member 2
However, the other structure is the same as that of the first embodiment. The shape of the dowel is not limited. That is,
Steel rods may be welded circumferentially or vertically. Alternatively, a steel pipe with an outer surface protrusion may be used. The shape of the plate-shaped connecting member is not limited to the horizontal shape. That is, it may have an inclined surface or a curved surface. In the case of the fourth embodiment, since the connecting member 5 is plate-shaped, the water body structure body 6 can be made to exhibit the wave-dissipating function.

FIG. 15 shows a fifth embodiment of the present invention, in which a plurality of water body structure main bodies 6 are vertically stacked and the vertical tubular bodies 4 of the respective water body structure main bodies 6 are in series. Although it is inserted into the subsea ground driving member 2 in the above, other configurations are the same as those in the case of the first embodiment.

In carrying out the present invention, as shown in FIG. 16, between the upper horizontal member 23 of the suspension frame 19 fixed to the upper portion of the vertical cylindrical body 4 and the upper end surface of the water bottom ground driving member 2. A level adjusting spacer 24 for adjusting the level of the vertical cylindrical body 4 may be interposed. In addition, as shown in FIG. 17, a horizontal support member 25 fixed to the upper end of the vertical cylinder 4 is provided.
A level adjusting spacer 24 for adjusting the level of the vertical cylindrical body 4 may be interposed between the above and the bottom surface of the water bottom ground driving member 2.

Further, as shown in FIG. 18, a plurality of spacing holding spacers 26 having guide slopes 27 are fixed to the upper and lower portions inside the vertical tubular body 4 at intervals in the circumferential direction of the vertical tubular body 4. You may. The guide slope may have a curvature. The shape of the stopper is not limited. That is, the water bottom ground driving member may be a steel pipe with an outer surface protrusion. Further, the vertical cylindrical body may be a steel pipe with an inner surface projection.

Further, as shown in FIG. 19, a large number of shift-preventing outer surface protrusions 28 are fixed to the outer peripheral surface of the water bottom ground driving member 2 arranged in the vertical cylindrical body 4, and the inner peripheral surface of the vertical cylindrical body 4 is fixed. A large number of slip-preventing inner surface projections 29 may be fixed to the surface.

When the annular members 1 of the water bottom ground driving member 2 cast on the water bottom ground 3 are arranged at the same level, the cylindrical spacer 8 may be omitted. In addition, subsoil 3
When there is a level difference in the annular member 1 of the water bottom ground driving member 2 that has been placed in the water body structure, each vertical cylinder 4 of the body of the water body structure 6 is placed on the annular member 1 so that the water body structure is formed on land. The lower part of the vertical cylindrical body 4 in the object body 6 may be cut off. Furthermore, the leak prevention device 9 may be of any type other than the one shown.

[0018]

According to the present invention, a large number of water bottom ground driving members 2 each having an annular member 1 in the middle thereof are driven on the water bottom ground 3 at intervals in the lateral direction and spaced in the lateral direction. A plurality of vertical tubular bodies 4 arranged at intervals are connected by a plurality of connecting members 5 to form a body of water body structure 6, and the body of water body structure 6
The vertical cylinders 4 and the water bottom ground driving members 2 are fitted to the upper portions of the water bottom ground driving members 2 and placed directly or indirectly on the annular member 1. Since the gap is filled with the time-curable material 7, the water body structure main body 6 having a low height can be used even if the water depth is deep. Therefore, the water body structure body 6 can be downsized,
The body of water structure 6 can be manufactured at low cost, and the transportability and handleability of the body of water structure 6 can be improved. Further, the water bottom ground driving member 2 which is placed on the water bottom ground 3
Even if there is a level difference in the annular member 1, the level difference can be easily corrected by interposing the tubular spacer 8 between the annular member 1 and the lower end portion of the vertical tubular body 4. Further, the annular member 1 and the vertical tubular body 4 or the tubular spacer 8
By providing a leakage prevention device 9 between the water bottom ground driving member 2 and the vertical cylinder 4, or between the water bottom ground driving member 2 and the vertical cylinder 4 and the cylindrical spacer 8, the time-curable property. It is possible to reliably prevent the material 7 from leaking.

[Brief description of drawings]

FIG. 1 is a partially longitudinal side view showing a state in which a water bottom ground driving member having an annular member is placed on the water bottom ground.

FIG. 2 is a plan view showing an arrangement of a water bottom ground driving member having an annular member.

FIG. 3 is a partially longitudinal side view showing a state where a tubular spacer is placed on an annular member.

FIG. 4 is a partial vertical cross-sectional side view showing a water body structure according to a first embodiment of the present invention configured by setting a water body structure body on a water bottom ground driving member.

FIG. 5 is a plan view of the water body structure according to the first embodiment of the present invention.

FIG. 6 is a plan view showing a part of FIG. 5 in an enlarged manner.

FIG. 7 is a partially longitudinal side view showing a water body structure according to a second embodiment of the present invention.

FIG. 8 is a partially longitudinal side view showing a part of the water body structure according to the second embodiment of the present invention in an enlarged manner.

FIG. 9 is a partially longitudinal side view showing a water body structure according to a third embodiment of the present invention.

FIG. 10 is a vertical cross-sectional side view showing a part of a state before filling with the time-curable material in the water body structure according to the third example of the present invention.

FIG. 11 is a vertical cross-sectional side view showing a part of a state after filling the time-curable material in the water body structure according to the third example of the present invention.

FIG. 12 is a partially longitudinal side view showing a water body structure according to a fourth embodiment of the present invention.

FIG. 13 is a plan view showing a water body structure according to a fourth embodiment of the present invention.

FIG. 14 is a partially longitudinal side view showing a part of the water body structure according to the fourth embodiment of the present invention.

FIG. 15 is a partially longitudinal side view showing a water body structure according to a fifth embodiment of the present invention.

FIG. 16 is a partial vertical cross-sectional side view showing a level adjustment support device for a suspension frame fixed to a vertical cylinder.

FIG. 17 is a vertical cross-sectional side view showing a level adjustment support device for a support member fixed to a vertical cylinder.

FIG. 18 is a partial vertical cross-sectional side view showing an example in which a space holding spacer is fixed to a vertical cylindrical body.

FIG. 19 is a vertical cross-sectional side view showing an example in which an outer surface projection is fixed to a water bottom ground driving member and an inner surface projection is fixed to a vertical cylinder.

[Explanation of symbols]

 1 annular member 2 water bottom ground driving member 3 water bottom ground 4 vertical cylinder 5 connecting member 6 water body structure body 7 time-curable material 8 tubular spacer 9 leak preventer 11 lower flange 12 upper flange 13 bolt 14 lower end flange 16 support Bracket 17 Annular bottom plate 18 Peripheral wall plate 19 Suspended frame 20 Time-curable material 21 Gibel 22 Time-curable material 23 Upper horizontal member 24 Level adjusting spacer 25 Supporting member 26 Spacing holding spacer 27 Guide slope 28 Outer surface protrusion 29 Inner surface protrusion

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hideki Sato 4-6-1 Takezaki-cho, Shimonoseki City, Yamaguchi Prefecture Shimonoseki Regional Joint Government Building, Shimonoseki Research and Design Office, 4th Port Construction Bureau, Ministry of Transport (72) Inventor Kamizo Sonodo Katsuhisa 1-1 1-1 Komonto-cho, Hakata-ku, Fukuoka-shi, Fukuoka (72) Inventor Koichi Sato 2-3-6 Otemachi, Chiyoda-ku, Tokyo New Nippon Steel Corporation

Claims (6)

[Claims] 1. A large number of water bottom ground driving members 2 each having an annular member 1 at an intermediate portion thereof are driven on a water bottom ground 3 at intervals in the lateral direction and arranged at intervals in the lateral direction. A plurality of vertical cylinders 4 are connected by a plurality of connecting members 5 to form a body of water structure body 6, and each vertical cylinder 4 in the body of water structure body 6 is an upper part of the water bottom ground driving member 2. A water body structure in which the time-curable material 7 is filled in the gap between the vertical cylindrical body 4 and the water bottom ground driving member 2 while being mounted on the annular member 1 directly or indirectly. 2. The water body structure according to claim 1, wherein a tubular spacer 8 is interposed between the annular member 1 and the lower end of the vertical tubular body 4. 3. The water body structure according to claim 1, wherein a leakage prevention device 9 is provided between the annular member 1 and the vertical cylindrical body 4 or the cylindrical spacer 8. 4. A plurality of water bottom ground driving members 2 provided with an annular member 1 at an intermediate portion thereof are driven on a water bottom ground 3 at intervals in the lateral direction and then arranged at intervals in the lateral direction. Each of the vertical cylinders 4 in the body of water structure 6 configured by connecting the plurality of vertical cylinders 4 by the plurality of connecting members 5 is fitted into the upper portion of the water bottom ground driving member 2, and the annular member is also provided. 1. A method for constructing an aquatic structure, which is placed directly or indirectly on 1 and then filled with a time-curable material 7 in a gap between the vertical cylindrical body 4 and the water bottom ground driving member 2. 5. The method for constructing a water body structure according to claim 4, wherein a tubular spacer 8 is interposed between the annular member 1 and the vertical tubular body 4. 6. The method for constructing a water body structure according to claim 4, wherein a leakage prevention device 9 is provided between the annular member 1 and the vertical cylindrical body 4 or the cylindrical spacer 8.